By Lee Chung Yul   Hwang Seon Young   Ham Ok Kyung   in American Journal of Health Behavior

ISSN:1945-7359|31|5|484-494

PNG Publications‎(2007)‎

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By Lee Chung Yul   Shin Sunmi   Lee Hyeon Kyeong   Hong Yoon Mi   in American Journal of Health Behavior

ISSN:1945-7359|33|5|540-549

PNG Publications‎(2009)‎

Access to resources Favorite 9.333942